Sterling lost 0.8 percent to hit a session low of $1.5486 against the dollar, the lowest level in a week, pulled down by weakness as Spain's borrowing costs jumped to new highs.
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Paramedics, police and hospitals are braced for Black Eye Friday - an annual surge in the amount of booze being sold.
The majority of motorists want to see tighter restrictions on the amount drivers can drink, a survey has revealed.
A cheap over-the-counter painkiller taken by millions of people in Britain every day could have the hidden benefit of slowing down ageing.